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<h2><span class="refentrytitle">Macro BOOST_VARIANT_ENUM_SHIFTED_PARAMS</span></h2>
<p>BOOST_VARIANT_ENUM_SHIFTED_PARAMS — Enumerate all but the first parameter for use with
        <code class="computeroutput"><a class="link" href="boost/variant.html" title="Class template variant">variant</a></code>.</p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="variant/reference.html#header.boost.variant.variant_fwd_hpp" title="Header &lt;boost/variant/variant_fwd.hpp&gt;">boost/variant/variant_fwd.hpp</a>&gt;

</span>BOOST_VARIANT_ENUM_SHIFTED_PARAMS(param)</pre></div>
<div class="refsect1">
<a name="id-1.3.47.5.4.7.4"></a><h2>Description</h2>
<p> When variadic templates are available and
        <code class="computeroutput"><a class="link" href="BOOST_VARIANT_1_3_47_5_3_4.html" title="Macro BOOST_VARIANT_DO_NOT_USE_VARIADIC_TEMPLATES">BOOST_VARIANT_DO_NOT_USE_VARIADIC_TEMPLATES</a></code>
        is not defined, expands to variadic template list in the following manner:
        <code class="computeroutput"><pre class="programlisting">
            <span class="identifier">BOOST_VARIANT_ENUM_SHIFTED_PARAMS</span><span class="special">(</span><span class="identifier">T</span><span class="special">)</span>                    <span class="special">=</span><span class="special">&gt;</span> <span class="identifier">TN</span><span class="special">...</span>
            <span class="identifier">BOOST_VARIANT_ENUM_SHIFTED_PARAMS</span><span class="special">(</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">)</span>              <span class="special">=</span><span class="special">&gt;</span> <span class="keyword">class</span><span class="special">...</span> <span class="identifier">TN</span>
            <span class="identifier">BOOST_VARIANT_ENUM_SHIFTED_PARAMS</span><span class="special">(</span><span class="keyword">class</span> <span class="identifier">Something</span><span class="special">)</span>      <span class="special">=</span><span class="special">&gt;</span> <span class="keyword">class</span><span class="special">...</span> <span class="identifier">SomethingN</span>
            <span class="identifier">BOOST_VARIANT_ENUM_SHIFTED_PARAMS</span><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">Something</span><span class="special">)</span>   <span class="special">=</span><span class="special">&gt;</span> <span class="keyword">typename</span><span class="special">...</span> <span class="identifier">SomethingN</span>
            <span class="identifier">BOOST_VARIANT_ENUM_SHIFTED_PARAMS</span><span class="special">(</span><span class="identifier">Something</span><span class="special">)</span>            <span class="special">=</span><span class="special">&gt;</span> <span class="identifier">SomethingN</span><span class="special">...</span>
            <span class="identifier">BOOST_VARIANT_ENUM_SHIFTED_PARAMS</span><span class="special">(</span><span class="identifier">Something</span><span class="special">)</span>            <span class="special">=</span><span class="special">&gt;</span> <span class="identifier">SomethingN</span><span class="special">...</span>
        </pre></code>
      </p>
<p>
        Otherwise expands to a comma-separated sequence of length
        <code class="computeroutput"><a class="link" href="BOOST_VARIANT_LIMIT_TYPES.html" title="Macro BOOST_VARIANT_LIMIT_TYPES">BOOST_VARIANT_LIMIT_TYPES</a> - 1</code>,
        where each element in the sequence consists of the concatenation of
        <span class="emphasis"><em>param</em></span> with its one-based index into the sequence.
        That is,
        <code class="computeroutput">param ## 1, ..., param ## BOOST_VARIANT_LIMIT_TYPES - 1</code>.</p>
<p><span class="bold"><strong>Note</strong></span>: This macro results in the
        same expansion as
        <code class="computeroutput"><a class="link" href="BOOST_VARIANT_ENUM_PARAMS.html" title="Macro BOOST_VARIANT_ENUM_PARAMS">BOOST_VARIANT_ENUM_PARAMS</a></code> -- but
        without the first term.</p>
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<td align="right"><div class="copyright-footer">Copyright © 2002, 2003 Eric Friedman, Itay Maman<br>Copyright © 2014-2021 Antony Polukhin<p>Distributed under the Boost Software License, Version 1.0.
    (See accompanying file <code class="filename">LICENSE_1_0.txt</code> or copy at 
    <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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